Equivalent & Substitute Parts for 20ETF02S

Part Overview

The 20ETF02S is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 200 V DC reverse voltage and 20 A average rectified current in a surface mount TO-263AB (D2PAK) package. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing production and design continuity. Substitute parts with identical electrical and mechanical specifications are available in active product status, enabling seamless replacement in existing designs.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	200 V
Current - Average Rectified (Io)	20 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 20 A
Reverse Recovery Time (trr)	160 ns
Current - Reverse Leakage @ Vr	100 µA @ 200 V
Speed Classification	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Mounting Type	Surface Mount
Operating Temperature - Junction	-40°C ~ 150°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 20ETF02S are identified based on strict parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following key parameters:

Voltage Rating: 200 V DC reverse voltage (Vr) maximum
Current Rating: 20 A average rectified current (Io)
Forward Voltage Drop: 1.3 V maximum at 20 A forward current
Recovery Characteristics: Fast recovery with 160 ns reverse recovery time (trr)
Reverse Leakage: 100 µA at 200 V
Package Configuration: TO-263AB (D2PAK) surface mount package with identical pinout and thermal characteristics
Temperature Range: -40°C to 150°C junction operating temperature
Moisture Sensitivity: MSL 1 (Unlimited)

The substitute parts VS-20ETF02STRL-M3 and VS-20ETF02STRR-M3 meet all these parameters identically. The primary distinction between the main part and substitutes is product status (obsolete versus active) and packaging format (bulk versus tape & reel), with no electrical or mechanical performance differences.

Parameter Comparison

Parameter	20ETF02S	VS-20ETF02STRL-M3	VS-20ETF02STRR-M3
Manufacturer	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Category	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V
Current - Average Rectified (Io)	20 A	20 A	20 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 20 A	1.3 V @ 20 A	1.3 V @ 20 A
Reverse Recovery Time (trr)	160 ns	160 ns	160 ns
Current - Reverse Leakage @ Vr	100 µA @ 200 V	100 µA @ 200 V	100 µA @ 200 V
Speed Classification	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-40°C ~ 150°C	-40°C ~ 150°C	-40°C ~ 150°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Format	Bulk	Tape & Reel (TR)	Tape & Reel (TR)

Engineering Selection Recommendations

The 20ETF02S is obsolete and no longer in active production. Both substitute parts, VS-20ETF02STRL-M3 and VS-20ETF02STRR-M3, provide direct functional equivalence with identical electrical performance and mechanical compatibility.

Product Status Consideration: The substitute parts are classified as active products, ensuring long-term availability and supply chain continuity compared to the obsolete 20ETF02S.

Compliance Advantage: The substitute parts are ROHS3 compliant, whereas the original 20ETF02S is RoHS non-compliant. This distinction is significant for applications subject to RoHS regulations and environmental compliance requirements.

Packaging Format: The original 20ETF02S is supplied in bulk packaging, while both substitute parts are supplied in tape & reel format. Tape & reel packaging is standard for automated assembly processes and high-volume production environments. For manual assembly or low-volume applications, tape & reel components can be obtained in smaller quantities through standard distribution channels.

Electrical and Mechanical Equivalence: All three parts share identical specifications for voltage rating, current rating, forward voltage drop, reverse recovery time, reverse leakage current, package configuration, and operating temperature range. Direct substitution is supported without circuit modification or thermal redesign.

Frequently Asked Questions (FAQ)

Q: Can VS-20ETF02STRL-M3 and VS-20ETF02STRR-M3 be used interchangeably with 20ETF02S?

A: Yes. Both substitute parts are parametrically equivalent to the 20ETF02S across all electrical and mechanical specifications. They share identical voltage ratings (200 V), current ratings (20 A), forward voltage characteristics (1.3 V @ 20 A), recovery time (160 ns), and package configuration (TO-263AB D2PAK). Direct substitution is supported without circuit modification.

Q: What is the difference between VS-20ETF02STRL-M3 and VS-20ETF02STRR-M3?

A: Both parts are electrically and mechanically identical. The difference lies in the tape & reel configuration (indicated by the "L" and "R" designations in the part numbers), which relates to reel direction or tape orientation. For circuit design and electrical performance, these parts are fully interchangeable.

Q: Why is the 20ETF02S marked as obsolete?

A: The 20ETF02S has been discontinued by the manufacturer. The active substitute parts VS-20ETF02STRL-M3 and VS-20ETF02STRR-M3 provide equivalent functionality and are recommended for new designs and ongoing production.

Q: Does the tape & reel packaging affect electrical performance?

A: No. Tape & reel packaging is a distribution and handling format only. It does not affect the electrical characteristics, thermal performance, or reliability of the diode. The component itself is identical to bulk-packaged versions.

Q: Are the substitute parts RoHS compliant?

A: Yes. Both VS-20ETF02STRL-M3 and VS-20ETF02STRR-M3 are ROHS3 compliant, whereas the original 20ETF02S is RoHS non-compliant. This is an important consideration for applications subject to RoHS regulations.

Q: Can I use these diodes in high-frequency switching applications?

A: Yes. All three parts are classified as fast recovery diodes with a reverse recovery time of 160 ns, making them suitable for high-frequency switching applications within the specified voltage and current ratings.

Q: What is the thermal performance of the TO-263AB package?

A: The TO-263AB (D2PAK) package includes a thermal tab for enhanced heat dissipation. All three parts use this identical package configuration, providing equivalent thermal performance. Thermal design considerations remain unchanged when substituting between these parts.

Q: Are there any moisture sensitivity concerns with these components?

A: No. All three parts have a Moisture Sensitivity Level (MSL) of 1 (Unlimited), indicating no moisture sensitivity. Standard handling and storage practices are sufficient.

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